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CAUTION: Certain individuals are susceptible to sensitisation and if a
skin rash develops medical advice should be sought. Any resin
splashes on the skin should be removes before the resin hardens.
3.2.4 Feeder Cable to Detector Loop Tails using the Heatshrink Joint
The part number of the kit to be used is 667/4/15084/etc.
There are 4 variants. Their uses and the length of armour to be stripped
(where applicable) are given below:
000
001
002
003
Feed the outer sleeves onto the feeder cable.
For armoured cable:
Using the hacksaw provided in the installation tool kit cut through the
outer insulation of the cable at the dimension given above from the end
ensuring that the armour is well scored.
Remove the outer insulation.
Break off the armour by repeated bending.
Terminate bedding so that 10 mm projects beyond the armour.
For un-armoured cable:
Remove the outer insulation at the dimension given above for stripping
armour.
Cut cable cores to length ensuring that the joints will be staggered and crimp
as described in section 3.3.
Wrap black mastic tape around the end of the armoured cable, in and around
the connectors and loop tails and squeeze.
Centre up the outer sleeve allowing 75 mm overlap on the armour cable and
clean cable ends with cleaning pads.
Starting up at the centre of the joint and using a heating torch shrink evenly to
both ends until mastic sealant is visible.
Allow the joint to cool before applying any mechanical strain.
3.3
Use of Crimp Tools in Jointing
The following procedure is to be adopted when preparing cables for jointing in
BICC or similar joint kits.
667/HE/20663/000
-
1 pair to 1, 2 or 3 loops
-
2 pair to 2 loops or
1 pair to 2 or 3 loops
-
3 pair to 3 loops or
1 pair to 2 or 3 loops
-
4 pair to 4 loops or
1 pair to 2 or 3 loops
Issue 13
L
D
OOP
ETECTOR
(80 mm)
(100 mm)
(120 mm)
(135 mm)
H
ANDBOOK
Page 44
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